Home / 87,005,147.42-120,064,709.16-47,846,924.17

Finding the Fourth Proportional to 87,005,147.42, 120,064,709.16 and 47,846,924.17

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Solution

The fourth proportional to 87,005,147.42, 120,064,709.16 and 47,846,924.17 is: 66,027,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,005,147.42 : 120,064,709.16 = 47,846,924.17 : x
  2. Step 2: Convert to fraction form
    87,005,147.42/120,064,709.16 = 47,846,924.17/x
  3. Step 3: Cross multiply
    87,005,147.42x = 120,064,709.16 × 47,846,924.17
  4. Step 4: Simplify right side
    87,005,147.42x = 5,744,727,034,371,462
  5. Step 5: Solve for x
    x = 5,744,727,034,371,462/87,005,147.42
  6. Step 6: Final answer
    x = 66,027,438.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.